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ECDSA signature conversion: put bits first

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Metadata, then inputs, then outputs.
https://github.com/Mbed-TLS/mbedtls/pull/8703#discussion_r1474697136

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2024-02-06 19:45:11 +01:00
parent b90e695e09
commit 30a303f1a8
1 changed files with 6 additions and 6 deletions
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12
docs/architecture/psa-migration/psa-legacy-bridges.md
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@ -330,12 +330,12 @@ Based on the [gap analysis](#signature-formats):
[ACTION] [#7765](https://github.com/Mbed-TLS/mbedtls/issues/7765) Implement `mbedtls_ecdsa_raw_to_der` and `mbedtls_ecdsa_der_to_raw` as described below.
```
int mbedtls_ecdsa_raw_to_der(const unsigned char *raw, size_t raw_len,
unsigned char *der, size_t der_size, size_t *der_len,
size_t bits);
int mbedtls_ecdsa_der_to_raw(const unsigned char *der, size_t der_len,
unsigned char *raw, size_t raw_size, size_t *raw_len,
size_t bits);
int mbedtls_ecdsa_raw_to_der(size_t bits,
const unsigned char *raw, size_t raw_len,
unsigned char *der, size_t der_size, size_t *der_len);
int mbedtls_ecdsa_der_to_raw(size_t bits,
const unsigned char *der, size_t der_len,
unsigned char *raw, size_t raw_size, size_t *raw_len);
```
* These functions convert between the signature format used by `mbedtls_pk_{sign,verify}{,_ext}` and the signature format used by `psa_{sign,verify}_{hash,message}`.