diff --git a/include/psa/crypto.h b/include/psa/crypto.h index 64f343c6e..8e439bab0 100644 --- a/include/psa/crypto.h +++ b/include/psa/crypto.h @@ -1199,6 +1199,39 @@ typedef uint32_t psa_algorithm_t; #define PSA_ALG_HKDF_GET_HASH(hkdf_alg) \ (PSA_ALG_CATEGORY_HASH | ((hkdf_alg) & PSA_ALG_HASH_MASK)) +#define PSA_ALG_TLS12_PRF_BASE ((psa_algorithm_t)0x30000200) +/** Macro to build a TLS-1.2 PRF algorithm. + * + * For example, `PSA_ALG_TLS12_PRF(PSA_ALG_SHA256)` represents the + * TLS 1.2 PRF using HMAC-SHA-256. + * + * \param hash_alg A hash algorithm (\c PSA_ALG_XXX value such that + * #PSA_ALG_IS_HASH(\p hash_alg) is true). + * + * \return The corresponding TLS-1.2 PRF algorithm. + * \return Unspecified if \p alg is not a supported + * hash algorithm. + */ +#define PSA_ALG_TLS12_PRF(hash_alg) \ + (PSA_ALG_TLS12_PRF_BASE | ((hash_alg) & PSA_ALG_HASH_MASK)) + +/** Whether the specified algorithm is a TLS-1.2 PRF algorithm. + * + * TLS 1.2 uses a custom pseudorandom function (PRF) for key schedule, + * specified in Section 5 of RFC 5246. It is based on HMAC and can be + * used with either SHA-256 or SHA-384. + * + * \param alg An algorithm identifier (value of type #psa_algorithm_t). + * + * \return 1 if \c alg is a TLS-1.2 PRF algorithm, 0 otherwise. + * This macro may return either 0 or 1 if \c alg is not a supported + * key derivation algorithm identifier. + */ +#define PSA_ALG_IS_TLS12_PRF(alg) \ + (((alg) & ~PSA_ALG_HASH_MASK) == PSA_ALG_TLS12_PRF_BASE) +#define PSA_ALG_TLS12_PRF_GET_HASH(hkdf_alg) \ + (PSA_ALG_CATEGORY_HASH | ((hkdf_alg) & PSA_ALG_HASH_MASK)) + #define PSA_ALG_KEY_DERIVATION_MASK ((psa_algorithm_t)0x010fffff) /** Use a shared secret as is. diff --git a/include/psa/crypto_struct.h b/include/psa/crypto_struct.h index e38a9bfba..f11b87cca 100644 --- a/include/psa/crypto_struct.h +++ b/include/psa/crypto_struct.h @@ -144,6 +144,35 @@ typedef struct uint8_t block_number; } psa_hkdf_generator_t; +typedef struct psa_tls12_prf_generator_s +{ + /* The TLS 1.2 PRF uses the key for each HMAC iteration, + * hence we must store it for the lifetime of the generator. + * This is different from HKDF, where the key is only used + * in the extraction phase, but not during expansion. */ + unsigned char *key; + size_t key_len; + + /* `A(i) + seed` in the notation of RFC 5246, Sect. 5 */ + uint8_t *Ai_with_seed; + size_t Ai_with_seed_len; + + /* `HMAC_hash( prk, A(i) + seed )` in the notation of RFC 5246, Sect. 5. */ + uint8_t output_block[PSA_HASH_MAX_SIZE]; + +#if PSA_HASH_MAX_SIZE > 0xff +#error "PSA_HASH_MAX_SIZE does not fit in uint8_t" +#endif + + /* Indicates how many bytes in the current HMAC block have + * already been read by the user. */ + uint8_t offset_in_block; + + /* The 1-based number of the block. */ + uint8_t block_number; + +} psa_tls12_prf_generator_t; + struct psa_crypto_generator_s { psa_algorithm_t alg; @@ -157,6 +186,7 @@ struct psa_crypto_generator_s } buffer; #if defined(MBEDTLS_MD_C) psa_hkdf_generator_t hkdf; + psa_tls12_prf_generator_t tls12_prf; #endif } ctx; }; diff --git a/library/psa_crypto.c b/library/psa_crypto.c index 763074c9b..f0de86124 100644 --- a/library/psa_crypto.c +++ b/library/psa_crypto.c @@ -1506,6 +1506,12 @@ static psa_status_t psa_hmac_abort_internal( psa_hmac_internal_data *hmac ) mbedtls_zeroize( hmac->opad, sizeof( hmac->opad ) ); return( psa_hash_abort( &hmac->hash_ctx ) ); } + +static void psa_hmac_init_internal( psa_hmac_internal_data *hmac ) +{ + /* Instances of psa_hash_operation_s can be initialized by zeroization. */ + memset( hmac, 0, sizeof( *hmac ) ); +} #endif /* MBEDTLS_MD_C */ psa_status_t psa_mac_abort( psa_mac_operation_t *operation ) @@ -3258,6 +3264,22 @@ psa_status_t psa_generator_abort( psa_crypto_generator_t *generator ) mbedtls_free( generator->ctx.hkdf.info ); status = psa_hmac_abort_internal( &generator->ctx.hkdf.hmac ); } + else if( PSA_ALG_IS_TLS12_PRF( generator->alg ) ) + { + if( generator->ctx.tls12_prf.key != NULL ) + { + mbedtls_zeroize( generator->ctx.tls12_prf.key, + generator->ctx.tls12_prf.key_len ); + mbedtls_free( generator->ctx.tls12_prf.key ); + } + + if( generator->ctx.tls12_prf.Ai_with_seed != NULL ) + { + mbedtls_zeroize( generator->ctx.tls12_prf.Ai_with_seed, + generator->ctx.tls12_prf.Ai_with_seed_len ); + mbedtls_free( generator->ctx.tls12_prf.Ai_with_seed ); + } + } else #endif /* MBEDTLS_MD_C */ { @@ -3340,6 +3362,158 @@ static psa_status_t psa_generator_hkdf_read( psa_hkdf_generator_t *hkdf, return( PSA_SUCCESS ); } + +static psa_status_t psa_generator_tls12_prf_generate_next_block( + psa_tls12_prf_generator_t *tls12_prf, + psa_algorithm_t alg ) +{ + psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH( alg ); + uint8_t hash_length = PSA_HASH_SIZE( hash_alg ); + psa_hmac_internal_data hmac; + psa_status_t status, cleanup_status; + + unsigned char *Ai; + size_t Ai_len; + + /* We can't be wanting more output after block 0xff, otherwise + * the capacity check in psa_generator_read() would have + * prevented this call. It could happen only if the generator + * object was corrupted or if this function is called directly + * inside the library. */ + if( tls12_prf->block_number == 0xff ) + return( PSA_ERROR_BAD_STATE ); + + /* We need a new block */ + ++tls12_prf->block_number; + tls12_prf->offset_in_block = 0; + + /* Recall the definition of the TLS-1.2-PRF from RFC 5246: + * + * PRF(secret, label, seed) = P_(secret, label + seed) + * + * P_hash(secret, seed) = HMAC_hash(secret, A(1) + seed) + + * HMAC_hash(secret, A(2) + seed) + + * HMAC_hash(secret, A(3) + seed) + ... + * + * A(0) = seed + * A(i) = HMAC_hash( secret, A(i-1) ) + * + * The `psa_tls12_prf_generator` structures saves the block + * `HMAC_hash(secret, A(i) + seed)` from which the output + * is currently extracted as `output_block`, while + * `A(i) + seed` is stored in `Ai_with_seed`. + * + * Generating a new block means recalculating `Ai_with_seed` + * from the A(i)-part of it, and afterwards recalculating + * `output_block`. + * + * A(0) is computed at setup time. + * + */ + + psa_hmac_init_internal( &hmac ); + + /* We must distinguish the calculation of A(1) from those + * of A(2) and higher, because A(0)=seed has a different + * length than the other A(i). */ + if( tls12_prf->block_number == 1 ) + { + Ai = tls12_prf->Ai_with_seed + hash_length; + Ai_len = tls12_prf->Ai_with_seed_len - hash_length; + } + else + { + Ai = tls12_prf->Ai_with_seed; + Ai_len = hash_length; + } + + /* Compute A(i+1) = HMAC_hash(secret, A(i)) */ + status = psa_hmac_setup_internal( &hmac, + tls12_prf->key, + tls12_prf->key_len, + hash_alg ); + if( status != PSA_SUCCESS ) + goto cleanup; + + status = psa_hash_update( &hmac.hash_ctx, + Ai, Ai_len ); + if( status != PSA_SUCCESS ) + goto cleanup; + + status = psa_hmac_finish_internal( &hmac, + tls12_prf->Ai_with_seed, + hash_length ); + if( status != PSA_SUCCESS ) + goto cleanup; + + /* Compute the next block `HMAC_hash(secret, A(i+1) + seed)`. */ + status = psa_hmac_setup_internal( &hmac, + tls12_prf->key, + tls12_prf->key_len, + hash_alg ); + if( status != PSA_SUCCESS ) + goto cleanup; + + status = psa_hash_update( &hmac.hash_ctx, + tls12_prf->Ai_with_seed, + tls12_prf->Ai_with_seed_len ); + if( status != PSA_SUCCESS ) + goto cleanup; + + status = psa_hmac_finish_internal( &hmac, + tls12_prf->output_block, + hash_length ); + if( status != PSA_SUCCESS ) + goto cleanup; + +cleanup: + + cleanup_status = psa_hmac_abort_internal( &hmac ); + if( status == PSA_SUCCESS && cleanup_status != PSA_SUCCESS ) + status = cleanup_status; + + return( status ); +} + +/* Read some bytes from an TLS-1.2-PRF-based generator. + * See Section 5 of RFC 5246. */ +static psa_status_t psa_generator_tls12_prf_read( + psa_tls12_prf_generator_t *tls12_prf, + psa_algorithm_t alg, + uint8_t *output, + size_t output_length ) +{ + psa_algorithm_t hash_alg = PSA_ALG_TLS12_PRF_GET_HASH( alg ); + uint8_t hash_length = PSA_HASH_SIZE( hash_alg ); + psa_status_t status; + + while( output_length != 0 ) + { + /* Copy what remains of the current block */ + uint8_t n = hash_length - tls12_prf->offset_in_block; + + /* Check if we have fully processed the current block. */ + if( n == 0 ) + { + status = psa_generator_tls12_prf_generate_next_block( tls12_prf, + alg ); + if( status != PSA_SUCCESS ) + return( status ); + + continue; + } + + if( n > output_length ) + n = (uint8_t) output_length; + memcpy( output, tls12_prf->output_block + tls12_prf->offset_in_block, + n ); + output += n; + output_length -= n; + tls12_prf->offset_in_block += n; + } + + return( PSA_SUCCESS ); +} #endif /* MBEDTLS_MD_C */ psa_status_t psa_generator_read( psa_crypto_generator_t *generator, @@ -3393,6 +3567,12 @@ psa_status_t psa_generator_read( psa_crypto_generator_t *generator, status = psa_generator_hkdf_read( &generator->ctx.hkdf, hash_alg, output, output_length ); } + else if( PSA_ALG_IS_TLS12_PRF( generator->alg ) ) + { + status = psa_generator_tls12_prf_read( &generator->ctx.tls12_prf, + generator->alg, output, + output_length ); + } else #endif /* MBEDTLS_MD_C */ { @@ -3495,6 +3675,59 @@ static psa_status_t psa_generator_hkdf_setup( psa_hkdf_generator_t *hkdf, return( PSA_SUCCESS ); } +/* Set up a TLS-1.2-prf-based generator (see RFC 5246, Section 5). */ +static psa_status_t psa_generator_tls12_prf_setup( + psa_tls12_prf_generator_t *tls12_prf, + const unsigned char *key, + size_t key_len, + psa_algorithm_t hash_alg, + const uint8_t *salt, + size_t salt_length, + const uint8_t *label, + size_t label_length ) +{ + uint8_t hash_length = PSA_HASH_SIZE( hash_alg ); + size_t Ai_with_seed_len = hash_length + salt_length + label_length; + int overflow; + + tls12_prf->key = mbedtls_calloc( 1, key_len ); + if( tls12_prf->key == NULL ) + return( PSA_ERROR_INSUFFICIENT_MEMORY ); + tls12_prf->key_len = key_len; + memcpy( tls12_prf->key, key, key_len ); + + overflow = ( salt_length + label_length < salt_length ) || + ( salt_length + label_length + hash_length < hash_length ); + if( overflow ) + return( PSA_ERROR_INVALID_ARGUMENT ); + + tls12_prf->Ai_with_seed = mbedtls_calloc( 1, Ai_with_seed_len ); + if( tls12_prf->Ai_with_seed == NULL ) + return( PSA_ERROR_INSUFFICIENT_MEMORY ); + tls12_prf->Ai_with_seed_len = Ai_with_seed_len; + + /* Write `label + seed' at the end of the `A(i) + seed` buffer, + * leaving the initial `hash_length` bytes unspecified for now. */ + if( label_length != 0 ) + { + memcpy( tls12_prf->Ai_with_seed + hash_length, + label, label_length ); + } + + if( salt_length != 0 ) + { + memcpy( tls12_prf->Ai_with_seed + hash_length + label_length, + salt, salt_length ); + } + + /* The first block gets generated when + * psa_generator_read() is called. */ + tls12_prf->block_number = 0; + tls12_prf->offset_in_block = hash_length; + + return( PSA_SUCCESS ); +} + static psa_status_t psa_key_derivation_internal( psa_crypto_generator_t *generator, const uint8_t *secret, size_t secret_length, @@ -3538,6 +3771,24 @@ static psa_status_t psa_key_derivation_internal( salt, salt_length, label, label_length ); } + else if( PSA_ALG_IS_TLS12_PRF( alg ) ) + { + psa_algorithm_t hash_alg = PSA_ALG_TLS12_PRF_GET_HASH( alg ); + size_t hash_size = PSA_HASH_SIZE( hash_alg ); + + /* TLS-1.2 PRF supports only SHA-256 and SHA-384. */ + if( hash_alg != PSA_ALG_SHA_256 && + hash_alg != PSA_ALG_SHA_384 ) + { + return( PSA_ERROR_NOT_SUPPORTED ); + } + + max_capacity = 255 * hash_size; + status = psa_generator_tls12_prf_setup( &generator->ctx.tls12_prf, + secret, secret_length, + hash_alg, salt, salt_length, + label, label_length ); + } else #endif { diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data index 5b8166428..7f37db197 100644 --- a/tests/suites/test_suite_psa_crypto.data +++ b/tests/suites/test_suite_psa_crypto.data @@ -434,18 +434,30 @@ PSA key policy: asymmetric signature, neither sign nor verify depends_on:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15 asymmetric_signature_key_policy:0:PSA_ALG_RSA_PKCS1V15_SIGN_RAW:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15_SIGN_RAW -PSA key policy: derive, permitted +PSA key policy: derive via HKDF, permitted depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_key_policy:PSA_KEY_USAGE_DERIVE:PSA_ALG_HKDF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_HKDF(PSA_ALG_SHA_256) -PSA key policy: derive, not permitted +PSA key policy: derive via TLS 1.2 PRF, permitted +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_key_policy:PSA_KEY_USAGE_DERIVE:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256) + +PSA key policy: derive via HKDF, not permitted depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_key_policy:0:PSA_ALG_HKDF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_HKDF(PSA_ALG_SHA_256) -PSA key policy: derive, wrong algorithm +PSA key policy: derive via TLS 1.2 PRF, not permitted +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_key_policy:0:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256) + +PSA key policy: derive via HKDF, wrong algorithm depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_key_policy:PSA_KEY_USAGE_DERIVE:PSA_ALG_HKDF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_HKDF(PSA_ALG_SHA_224) +PSA key policy: derive via TLS 1.2 PRF, wrong algorithm +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_key_policy:PSA_KEY_USAGE_DERIVE:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):PSA_KEY_TYPE_DERIVE:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_ALG_HKDF(PSA_ALG_SHA_224) + PSA key policy: agreement, permitted depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_ECDH_C agreement_key_policy:PSA_KEY_USAGE_DERIVE:PSA_ALG_ECDH(PSA_ALG_SELECT_RAW):PSA_KEY_TYPE_ECC_KEYPAIR(PSA_ECC_CURVE_SECP256R1):"49c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eee":PSA_ALG_ECDH(PSA_ALG_SELECT_RAW) @@ -1400,10 +1412,18 @@ PSA key derivation: HKDF-SHA-512, good case depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_SHA_512):"":"":42:PSA_SUCCESS -PSA key derivation: bad key type +PSA key derivation: HKDF-SHA-256, bad key type depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_setup:PSA_KEY_TYPE_RAW_DATA:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_SHA_256):"":"":42:PSA_ERROR_INVALID_ARGUMENT +PSA key derivation: TLS 1.2 PRF SHA-256, good case +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"":"":42:PSA_SUCCESS + +PSA key derivation: TLS 1.2 PRF SHA-256, bad key type +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_setup:PSA_KEY_TYPE_RAW_DATA:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"":"":42:PSA_ERROR_INVALID_ARGUMENT + PSA key derivation: not a key derivation algorithm (selection) depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_SELECT_RAW:"":"":42:PSA_ERROR_INVALID_ARGUMENT @@ -1476,6 +1496,47 @@ PSA key derivation: HKDF SHA-1, RFC5869 #7, output 42+0 depends_on:MBEDTLS_MD_C:MBEDTLS_SHA1_C derive_output:PSA_ALG_HKDF(PSA_ALG_SHA_1):"0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c":"":"":42:"2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5673a081d70cce7acfc48":"" +# Test vectors taken from https://www.ietf.org/mail-archive/web/tls/current/msg03416.html +PSA key derivation: TLS 1.2 PRF SHA-256, output 100+0 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"9bbe436ba940f017b17652849a71db35":"a0ba9f936cda311827a6f796ffd5198c":"74657374206c6162656c":100:"e3f229ba727be17b8d122620557cd453c2aab21d07c3d495329b52d4e61edb5a6b301791e90d35c9c9a46b4e14baf9af0fa022f7077def17abfd3797c0564bab4fbc91666e9def9b97fce34f796789baa48082d122ee42c5a72e5a5110fff70187347b66":"" + +PSA key derivation: TLS 1.2 PRF SHA-256, output 99+1 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"9bbe436ba940f017b17652849a71db35":"a0ba9f936cda311827a6f796ffd5198c":"74657374206c6162656c":100:"e3f229ba727be17b8d122620557cd453c2aab21d07c3d495329b52d4e61edb5a6b301791e90d35c9c9a46b4e14baf9af0fa022f7077def17abfd3797c0564bab4fbc91666e9def9b97fce34f796789baa48082d122ee42c5a72e5a5110fff70187347b":"66" + +PSA key derivation: TLS 1.2 PRF SHA-256, output 1+99 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"9bbe436ba940f017b17652849a71db35":"a0ba9f936cda311827a6f796ffd5198c":"74657374206c6162656c":100:"e3":"f229ba727be17b8d122620557cd453c2aab21d07c3d495329b52d4e61edb5a6b301791e90d35c9c9a46b4e14baf9af0fa022f7077def17abfd3797c0564bab4fbc91666e9def9b97fce34f796789baa48082d122ee42c5a72e5a5110fff70187347b66" + +PSA key derivation: TLS 1.2 PRF SHA-256, output 50+50 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"9bbe436ba940f017b17652849a71db35":"a0ba9f936cda311827a6f796ffd5198c":"74657374206c6162656c":100:"e3f229ba727be17b8d122620557cd453c2aab21d07c3d495329b52d4e61edb5a6b301791e90d35c9c9a46b4e14baf9af0fa0":"22f7077def17abfd3797c0564bab4fbc91666e9def9b97fce34f796789baa48082d122ee42c5a72e5a5110fff70187347b66" + +PSA key derivation: TLS 1.2 PRF SHA-256, output 50+49 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"9bbe436ba940f017b17652849a71db35":"a0ba9f936cda311827a6f796ffd5198c":"74657374206c6162656c":100:"e3f229ba727be17b8d122620557cd453c2aab21d07c3d495329b52d4e61edb5a6b301791e90d35c9c9a46b4e14baf9af0fa0":"22f7077def17abfd3797c0564bab4fbc91666e9def9b97fce34f796789baa48082d122ee42c5a72e5a5110fff70187347b" + +PSA key derivation: TLS 1.2 PRF SHA-384, output 148+0 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_384):"b80b733d6ceefcdc71566ea48e5567df":"cd665cf6a8447dd6ff8b27555edb7465":"74657374206c6162656c":148:"7b0c18e9ced410ed1804f2cfa34a336a1c14dffb4900bb5fd7942107e81c83cde9ca0faa60be9fe34f82b1233c9146a0e534cb400fed2700884f9dc236f80edd8bfa961144c9e8d792eca722a7b32fc3d416d473ebc2c5fd4abfdad05d9184259b5bf8cd4d90fa0d31e2dec479e4f1a26066f2eea9a69236a3e52655c9e9aee691c8f3a26854308d5eaa3be85e0990703d73e56f":"" + +PSA key derivation: TLS 1.2 PRF SHA-384, output 147+1 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_384):"b80b733d6ceefcdc71566ea48e5567df":"cd665cf6a8447dd6ff8b27555edb7465":"74657374206c6162656c":148:"7b0c18e9ced410ed1804f2cfa34a336a1c14dffb4900bb5fd7942107e81c83cde9ca0faa60be9fe34f82b1233c9146a0e534cb400fed2700884f9dc236f80edd8bfa961144c9e8d792eca722a7b32fc3d416d473ebc2c5fd4abfdad05d9184259b5bf8cd4d90fa0d31e2dec479e4f1a26066f2eea9a69236a3e52655c9e9aee691c8f3a26854308d5eaa3be85e0990703d73e5":"6f" + +PSA key derivation: TLS 1.2 PRF SHA-384, output 1+147 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_384):"b80b733d6ceefcdc71566ea48e5567df":"cd665cf6a8447dd6ff8b27555edb7465":"74657374206c6162656c":148:"7b":"0c18e9ced410ed1804f2cfa34a336a1c14dffb4900bb5fd7942107e81c83cde9ca0faa60be9fe34f82b1233c9146a0e534cb400fed2700884f9dc236f80edd8bfa961144c9e8d792eca722a7b32fc3d416d473ebc2c5fd4abfdad05d9184259b5bf8cd4d90fa0d31e2dec479e4f1a26066f2eea9a69236a3e52655c9e9aee691c8f3a26854308d5eaa3be85e0990703d73e56f" + +PSA key derivation: TLS 1.2 PRF SHA-384, output 74+74 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_384):"b80b733d6ceefcdc71566ea48e5567df":"cd665cf6a8447dd6ff8b27555edb7465":"74657374206c6162656c":148:"7b0c18e9ced410ed1804f2cfa34a336a1c14dffb4900bb5fd7942107e81c83cde9ca0faa60be9fe34f82b1233c9146a0e534cb400fed2700884f9dc236f80edd8bfa961144c9e8d792ec":"a722a7b32fc3d416d473ebc2c5fd4abfdad05d9184259b5bf8cd4d90fa0d31e2dec479e4f1a26066f2eea9a69236a3e52655c9e9aee691c8f3a26854308d5eaa3be85e0990703d73e56f" + +PSA key derivation: TLS 1.2 PRF SHA-384, output 74+73 +depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C +derive_output:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_384):"b80b733d6ceefcdc71566ea48e5567df":"cd665cf6a8447dd6ff8b27555edb7465":"74657374206c6162656c":148:"7b0c18e9ced410ed1804f2cfa34a336a1c14dffb4900bb5fd7942107e81c83cde9ca0faa60be9fe34f82b1233c9146a0e534cb400fed2700884f9dc236f80edd8bfa961144c9e8d792ec":"a722a7b32fc3d416d473ebc2c5fd4abfdad05d9184259b5bf8cd4d90fa0d31e2dec479e4f1a26066f2eea9a69236a3e52655c9e9aee691c8f3a26854308d5eaa3be85e0990703d73e5" + PSA key derivation: HKDF SHA-256, request maximum capacity depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C derive_output:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":255 * 32:"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865":""