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test_suite_pem: add more test cases for invalid padding data

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2024-02-16 14:31:51 +01:00
parent 0f286d5453
commit 8aff4ef274
2 changed files with 15 additions and 1 deletions
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2
library/pem.c
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@ -463,7 +463,7 @@ int mbedtls_pem_read_buffer(mbedtls_pem_context *ctx, const char *header, const
* mismatches. */
ret = pem_check_pkcs_padding(buf, len, &len);
if (ret != 0) {
mbedtls_free(buf);
mbedtls_zeroize_and_free(buf, len);
return ret;
}

14
tests/suites/test_suite_pem.data
View file

@ -78,3 +78,17 @@ mbedtls_pem_read_buffer:"-----BEGIN EC PRIVATE KEY-----":"-----END EC PRIVATE KE
PEM read (Invalid padding data for AES-128-CBC)
depends_on:MBEDTLS_MD_CAN_MD5:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
mbedtls_pem_read_buffer:"-----BEGIN EC PRIVATE KEY-----":"-----END EC PRIVATE KEY-----":"-----BEGIN EC PRIVATE KEY-----\nProc-Type\: 4,ENCRYPTED\nDEK-Info\: AES-128-CBC,31323334353637380000000000000000\n\n333hxynfxEdXrSHQfIabxQ==\n-----END EC PRIVATE KEY-----":"password":MBEDTLS_ERR_PEM_BAD_INPUT_DATA:""
# Padding data (0x11) is larger than AES block size (16).
# Generated with:
# echo -n -e "\x68\x65\x6c\x6c\x6f\x20\x77\x6f\x72\x6c\x64\x11\x11\x11\x11\x11" | openssl aes-128-cbc -e -base64 -p -K "bbb0ddff1b944b3cc68eaaeb7ac20099" -iv "3132333435363738" -nopad
PEM read (AES-128-CBC, padding data is larger than AES block length)
depends_on:MBEDTLS_MD_CAN_MD5:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC
mbedtls_pem_read_buffer:"-----BEGIN EC PRIVATE KEY-----":"-----END EC PRIVATE KEY-----":"-----BEGIN EC PRIVATE KEY-----\nProc-Type\: 4,ENCRYPTED\nDEK-Info\: AES-128-CBC,31323334353637380000000000000000\n\n5wA/XVXHuMsQAAOGFQmK0g==\n-----END EC PRIVATE KEY-----":"password":MBEDTLS_ERR_PEM_BAD_INPUT_DATA:""
# Padding data (0x9) is larger than AES block size (8).
# Generated with:
# echo -n -e "\x68\x65\x6c\x6c\x6f\x09\x09\x09" | openssl des-cbc -e -base64 -p -K "bbb0ddff1b944b3cc68eaaeb7ac20099" -iv "3132333435363738" -nopad
PEM read (DES-CBC, padding data is larger than DES block length)
depends_on:MBEDTLS_MD_CAN_MD5:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC
mbedtls_pem_read_buffer:"-----BEGIN EC PRIVATE KEY-----":"-----END EC PRIVATE KEY-----":"-----BEGIN EC PRIVATE KEY-----\nProc-Type\: 4,ENCRYPTED\nDEK-Info\: DES-CBC,3132333435363738\n\n6a+B2WineBM=\n-----END EC PRIVATE KEY-----":"password":MBEDTLS_ERR_PEM_BAD_INPUT_DATA:""